<template>
  <transition name="move">
    <div class="food" v-show="showFlag" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image">
          <div class="back" @click="hide($event)">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-if="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper" v-show="food.count > 0">
            <cartcontrol :food="food" @add="_drop"></cartcontrol>
          </div>
          <transition name="fade">
            <div class="buy" v-show="!food || food.count === 0" @click="add($event)">
              加入购物车
            </div>
          </transition>
        </div>
        <split v-if="food.info"></split>
        <div class="info" v-if="food.info">
          <h1 class="title">商品信息</h1>
          <div class="text">{{food.info}}</div>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <rating-select :ratingSelectType="ratingSelectType" :ratings="food.ratings" :selectType="selectType" :onlyContent="onlyContent" @selectRatingType="selectRatingType" @toggleOnly="toggleOnly"></rating-select>
          <div class="rating-wrapper">
            <ul  v-if="food.ratings&&food.ratings.length>0">
              <li class="rating-item" v-if="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings">
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img :src="rating.avatar" width="12" height="12"  class="avatar">
                </div>
                <div class="time">{{rating.rateTime | formatDate}}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>
                  {{rating.text}}
                </p>
              </li>
            </ul>
            <div class="no-rating" v-if="!food.ratings||food.ratings.length===0">暂无评价</div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script type="text/ecmascript-6">
  import cartcontrol from 'components/cartcontrol/cartcontrol.vue'
  import ratingSelect from 'components/ratingSelect/ratingSelect.vue'
  import BScroll from 'better-scroll'
  import split from 'components/split/split.vue'
  import Vue from 'vue'
  import {formatDate} from 'common/js/date.js'

  const ALL = -1
  export default{
    props: {
      food: {
        type: Object
      }
    },
    data () {
      return {
        showFlag: false,
        ratingSelectType: [
          {
            tab: '全部',
            type: -1
          },
          {
            tab: '推荐',
            type: 0
          },
          {
            tab: '吐槽',
            type: 1
          }

        ],
        selectType: ALL,
        onlyContent: true
      }
    },
    computed: {
      ratingList () {
        return this.food.ratings
      }
    },
    filters: {
      formatDate (time) {
        let date = new Date(time)
        return formatDate(date, 'yyyy-MM-dd hh:mm')
      }
    },
    methods: {
      needShow (type, text) {
        if (this.onlyContent && !text) {
          return false
        }
        if (this.selectType === ALL) {
          return true
        }
        return type === this.selectType
      },
      toggleOnly () {
        this.onlyContent = !this.onlyContent
        this.$nextTick(() => {
          this.scroll.refresh()
        })
      },
      selectRatingType (type) {
        this.selectType = type
        this.$nextTick(() => {
          this.scroll.refresh()
        })
      },
      _drop (el) {
        this.$emit('foodAdd', el)
      },
      add (event) {
        if (!event._constructed) {
          return
        }
        Vue.set(this.food, 'count', 1)
        this.$emit('foodAdd', event.target)
      },
      show () {
        this.showFlag = true
        this.selectType = ALL
        this.onlyContent = false
        this.$nextTick(() => {
          this.scroll = new BScroll(this.$refs.food, {
            click: true
          })
        })
      },
      hide (event) {
        if (!event._constructed) {
          return
        }
        this.showFlag = false
      }
    },
    components: {
      cartcontrol,
      split,
      ratingSelect
    }
  }
</script>

<style  lang="stylus" rel="stylesheet/stylus">
  @import '../../common/stylus/mixin.styl'
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30
    width: 100%
    background: #fff
    &.move-enter-active, &.move-leave-active
      transition: all .2s linear
      -webkit-transition: all .2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
      -webkit-transform: translate3d(100%, 0, 0)
    .food-content
      .image-header
        position: relative
        width: 100%
        height: 0
        padding-top: 100%
        img
          position: absolute
          top: 0
          left: 0
          width: 100%
          height: 100%
        .back
          position: absolute
          top: 10px
          left: 0
          .icon-arrow_lift
            display: block
            padding: 10px
            font-size: 20px
            color: #fff
      .content
        padding: 18px
        position: relative
        .title
          line-height: 14px
          margin-bottom: 8px
          font-size: 14px
          font-weight: 700
          color: rgb(7, 17, 27)
        .detail
          margin-bottom: 18px
          line-height: 10px
          height: 10px
          font-size: 0
          .sell-count, .rating
            font-size: 10px
            color: rgb(147, 153, 159)
          .sell-count
            margin-right: 12px
        .price
          font-weight: 700
          line-height: 24px
          .now
            margin-right: 8px
            font-size: 14px
            color: rgb(240, 20, 20)
          .old
            text-decoration: line-through
            font-size: 10px
            color: rgb(147, 153, 159)
        .cartcontrol-wrapper
          position: absolute
          right: 12px
          bottom: 12px
        .buy
          position: absolute
          right: 18px
          bottom: 18px
          z-index: 10
          height: 24px
          line-height: 24px
          padding: 0 12px
          box-sizing: border-box
          border-radius: 12px
          font-size: 10px
          color: #fff
          background: rgb(0, 160, 220)
          &.fade-enter-active, &.fade-leave-active
            transition: opacity .5s
          &.fade-enter, &.fade-leave-active
            opacity: 0
      .info
        padding: 18px
        .title
          line-height: 14px
          margin-bottom: 6px
          font-size: 14px
          color: rgb(7, 17, 27)
        .text
          line-height: 24px
          padding: 0 8px
          font-size: 12px
          color: rgb(77, 85, 93)
      .rating
        padding-top: 18px
        .title
          line-height: 14px
          margin-left: 18px
          font-size: 14px
          color: rgb(7, 17, 27)
        .rating-wrapper
          padding: 0 18px
          .rating-item
            position: relative
            padding: 16px 0
            border-1px(rgba(7, 17, 27, .1))
            .user
              position: absolute
              right: 0
              top: 16px
              line-height: 12px
              font-size: 0
              .name
                display: inline-block
                vertical-align: top
                margin-right: 6px
                font-size: 10px
                color: rgb(147, 153, 159)
              .avatar
                border-radius: 50%
            .time
              margin-bottom: 6px
              line-height: 12px
              font-size: 10px
              color: rgb(147, 153, 159)
            .text
              line-height: 16px
              font-size: 12px
              color: rgb(7, 17, 27)
              .icon-thumb_up, .icon-thumb_down
                margin-right: 4px
                line-height: 16px
                font-size: 12px
              .icon-thumb_up
                color: rgb(0, 160, 220)
              .icon-thumb_down
                color: rgb(147, 153, 159)
          .no-rating
            padding: 16px 0
            color: rgb(147, 153, 159)
            font-size: 12px

</style>
